Anybody keeping control of their Bank Account gets a Debit Card.
They are unlikely to want a Pre-Paid Mastercard.
Some of our major Banks now only issue Visa Cards and have moved away completly from Mastercard.
Electron Cards were intended for those who did not qualify for a Debit Card!
This is another ploy by Ryanair to ensure that most of their punters have to pay their extortionate card fees.
Dont forget that they charge £5 per person per sector so a return flight for two people costs £20. Other airlines charge a flat fee per complete booking.